Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
0.00
0.0020683664 = product of:
0.015512747 = sum of:
0.0048338864 = weight(_text_:in in 1319) [ClassicSimilarity], result of:
0.0048338864 = score(doc=1319,freq=2.0), product of:
0.0459487 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.033779487 = queryNorm
0.10520181 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.01067886 = product of:
0.03203658 = sum of:
0.03203658 = weight(_text_:22 in 1319) [ClassicSimilarity], result of:
0.03203658 = score(doc=1319,freq=2.0), product of:
0.11829001 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.033779487 = queryNorm
0.2708308 = fieldWeight in 1319, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=1319)
0.33333334 = coord(1/3)
0.13333334 = coord(2/15)
- Date
- 1. 8.1996 22:08:06
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval